What is Drupal?
Drupal is an open source content management system (CMS). CMS are the back-end infrastructures of websites that allow content to be created and managed with greater ease. Of all major content management systems, WordPress, Joomla and Drupal are the most popular. All are open source platforms. "Open source" refers to any software that opens its code to anyone with programming skills. The major advantage of using open source software is anyone can modify it to suit the needs of the individual project.